A Green-crowned Brilliant Hummingbird goes eye to eye with a Green Pit Viper. Although the viper does not present direct danger to the bird, it is a threat to its nestlings, so the hummingbird draws attention to the danger by fierce squeaking sounds and dancing around the predator.

Author: BENCE MATE: Wildlife photographer, born in Hungary, 1985. In 2010 he won the prestigious BBC Wildlife Photography of the Year award in London. He is the most effective photographer in the 53-year-old history of the competition, being the only contestant winning the first prize in both the young and adult categories.
https://en.wikipedia.org/wiki/Wildlife_Photographer_of_the_Year#Ranking
In 2005 he experimented the one-way glass photography technique, making fundamental changes in hide photography practice. This technique has been widely used all over the world, and most hides are equipped with such glasses.
Since 2008 he has been designing wildlife photography hides in different parts of the world (Hungary, Costa Rica, Brazil, Norway, South-Africa and Transylvania, Romania). His enterprise operating in Hungary welcomes photographers with the most exclusive hides in the world.